From 2e4472c6b9050c5620639865739fd6c97c90623c Mon Sep 17 00:00:00 2001
From: Luis Paolini <paoliniluis@gmail.com>
Date: Tue, 4 Apr 2023 09:14:14 -0300
Subject: [PATCH] Clean cache after branch closes (#27505)

* Clean cache after branch closes

* Add whitespace

* Add whitespace

* Finalize caches cleanup workflow

---------

Co-authored-by: Nemanja <31325167+nemanjaglumac@users.noreply.github.com>
---
 .github/workflows/clean-cache.yml | 33 +++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 .github/workflows/clean-cache.yml

diff --git a/.github/workflows/clean-cache.yml b/.github/workflows/clean-cache.yml
new file mode 100644
index 00000000000..e4102f2b033
--- /dev/null
+++ b/.github/workflows/clean-cache.yml
@@ -0,0 +1,33 @@
+name: Cleanup caches by a branch
+on:
+  pull_request:
+    types:
+      - closed
+
+jobs:
+  cleanup:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v3
+
+      - name: Cleanup
+        run: |
+          gh extension install actions/gh-actions-cache
+
+          REPO=${{ github.repository }}
+          BRANCH="refs/pull/${{ github.event.pull_request.number }}/merge"
+
+          echo "Fetching list of cache key"
+          cacheKeysForPR=$(gh actions-cache list -R $REPO -B $BRANCH | cut -f 1 )
+
+          ## Setting this to not fail the workflow while deleting cache keys.
+          set +e
+          echo "Deleting caches..."
+          for cacheKey in $cacheKeysForPR
+          do
+              gh actions-cache delete $cacheKey -R $REPO -B $BRANCH --confirm
+          done
+          echo "Done"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-- 
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